Hose connection.



. No. 656,l87.

E. GUNNELL.

HOSE CONNECTION.

(Application filed. Jan. 8, 1900.)

(No Model.)

Patented Aug. 2], I900.

UNITED STATES PATENT muse.

ELIAS GUNNELL, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO W. I IRVING BABCOGK, 0F SAME PLACE.

HOSE CONNECTION.

iPEGIFICATION forming part of Letters Patent No. 656,187, dated August 21, 1900.

Application filed January 8, 1900. Serial No. 772. (No model.) I

To all whom it may concern.-

zen of the United States of America, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in Hose Connections, of which the following is a description, reference being had to the accompanying drawing,forming a part hereof.

My improved hose connection has been designed more particularly for use in connection with hose provided with a protective covering, such as hereinafter described, but may also be employed with hose uu provided with such covering;

In the accom-pan yin g drawin g, which exhibits the parts of my novelconnection in section and a portion of the hoseand its protective covering in elevation, Arepresent-s the inner and primary member of the combination of parts constituting my improved connection. The internal bore of this member A is divided I into a threaded portion at at its left-hand end,

adapted to have screwed into it any suitable member of a hose-coupling or other connection, and an enlarged or circumferentiallygrooved portion 6, separated from the threaded portion by an intermediate contracted or reduced portion 0. with the portion a by an annular shoulder 11, against which the end of the hoseis adapted to abut, as hereinafter described, while the opposite or right-hand end of the enlarged portion 1) terminates in a small annular shoulder e, adapted to form a retaining-shoulder for the hose, also as hereinafter explain ed. The exterior surface of the member A is composed of a reduced left-hand cylindrical' ber B, adapted to fit over the tapered exte-.

rior of the member A and to project at its left-hand end beyond the shoulder g of the member A, such projecting portion being 1nternally screw-threaded to receive the exter-- nally-threaded reduced end of .the nut C,

shoulder (l' of said member.

The portion 12 connects which constitutes the third member of the combination.

V D represents the rubber hose, which is shown as covered and protected by a sheetmetal lacework E of well-known construction and in extensive use for such purpose.

The parts are assembled and the end of the hose'and itsprotective covering secured to the connection int-he following manner: Assuming the three members A ,'B, and C to .be unassembled and separately in hand, the member B is first slipped over the end of the hose and slid to the right along the same out of the way. An expansible metal ring F is then inserted in the .end of the hose D, snugly fitting the internal bore of the. latter, the lacework covering of the hose then crowded backward toward the right, and the uncovered end of the hose inserted into the member A until its end abuts against the The crowding of the lacing E toward the right will have considerably enlarged its diameter adjacent to its left-hand end,so thatafter the uncovered end of the hose has been slipped into the member A, as described, the left-hand end of the lacing E may be readily passed over the tapered exterior of the member A at the righthand end of the latter and be forced along the same toward the left a considerable distance,

such operation being aided, if necessary, by

crowding the lacing E toward the left for some little distance along the portion of the hose extending to the right. The tapered sleeve or coupling member B is then slipped to the left along the hose and over the tapered exterior of the member A, confining the lefthand portion of the lacing E between the two. The nut C is then slipped over the reduced left-hand end of the member A and screwed into the internally-threaded left-hand end of the member B. As soon as the nut C has been screwed into the member A far enough for the end of the nut'C to contact with the shoulder g of the memberA the further turnin g of the nut will draw the member 13 toward the left and cause it to tightly grip the portion of the laced covering E confined between it and the member A, thereby securely holding the end of such covering in place.

To firmly secure the end of the hose proper ICC to the member A, the ring F, located in the extreme left-hand endof the hose, is expanded by means of a suitable instrument inserted through the member A from the left and forced outward to the position shown in the drawing, thereby seating itself in. the body of the hose and compressing the latter and forcing it outward until it fills the enlarged the fluid passing through the connection and hose. In such case the left-hand end of the ring 'F abuts against the shoulder d and is confined thereby. It is not absolutely essential that such should .be the case, since the I seating of the ring in the body of the hose,

. caused by its expansion, willsuffice to retain it and the hose in place, and the internal bore of the connection at 0 might be. made larger than shown; but it is preferable to have it coincide with the internal diameter of the hose and of the expanded ring F, as before stated.

The member B projects at its right-hand end some distance beyond the end of the memberAand is outwardly flared at its'extremity, as shown at h. The purpose of this extension of the member B and the shape given it is .to prevent the hose being I bent directly against the abrupt end of the member A at a sharp angle to the axis of the parts, which would have the effect of straining it and cansingit to wear rapidly at that point. The extension of, the member B prevents this, while the flaring shape giventhe end of the member B likewise prevents the hose being bent at a sharp angle against the abrupt shoulder,

which would-otherwise be formed by the end of the member B.

.I have shown the member A provided with an internal circumferential rib or ring 1,

' adapted to seat in the exterior of the hose D for the purpose of more securely connecting it to the member A; but it is not essential for this purpose and may be omitted. Likewise in the foregoing description of the assemblage of the parts I have described the end of the laced covering E as being secured to the connection by means of the sleeve B and nut C before the end of the hose proper has been finally secured in the member A by expanding the ring F; but this sequence of operation may be reversed.

The combination of parts constructed and arranged as above described constitutes a simple and efficient hose connection for use with hose provided with a protective covering like or similar to that shown in the drawing and constitutes my inventionin its entirety and most advantageous form; but the member A, formed internally substantially as described, may be employed in combination with the retaining-ringF as a simple and efficient connection for hose unprovided with the protective covering. In such case the members B and 0 would be unnecessary and the member A would be given a plain exterior surface and terminated at its right-hand end in a flaring portion similar to the part h of the member B.

Having thus fully described my invention,

I claim-- *1. The herein-described hose connection, comprising the member A adapted to receive withinit the flexible hose D and to receive upon its tapered exterior the covering E of said hose, the sleeve B fitting upon the tapered exterior of the member A and adapted to clamp the covering 'E against said member, the nut C screwed into the end of the member B and abutting against the shoulder g on the member A, and the retaining-ring F adapted to be expanded within the end of the hose D to confine the latter in the member A, substantially. as described.

2. The herein-described hose connection, comprising the member A having the external cylindrical portion f and tapered portion connected therewith by the shoulder g,

and the circumferentially-enlarged internal portion 1); the tapered sleeve l3 adapted to-fit upon the tapered portion of the member A, and provided at one end with the flaring portion h and at its opposite end with the internally-threaded portion projecting beyond the shoulder g; the nut C adapted to fit over the cylindrical portion fof the member Aand provided with the reduced externally-threaded portion adapted to engage the internallythreaded member B and abut against the shoulder g; and the ring F'adapted to be expanded within the end of the hose to confine the same within the internal enlargement h of the member A ;'substantially as described.

3. The herein-described hose connection, comprising the member A having the internally-threaded portion a, contracted portion, 0, and enlarged portion 17 forming shoulders d e at its opposite ends, and having the external cylindrical portion f and tapered portion connected therewith by the annular'shoulder g and the members B, O, and F cooperating therewith in the manner and for the purpose described.

ELIAS GUNNELL.

Witnesses:

0.. W. FREY, L. E. GEER.

IOC 

